for those of you looking for a text walkthrough: http://www.freewebarcade.com/help/z-rox-walkthrough.php :you dont have to use it for the whole game, just if you cant get one of the puzzles.
so i'm playing the game and i keep thinking, man is this a rip off of hands of war, realy this looks like the same game, hmm.. i wonder what else he did, OH thats why it looks like that!
a good tip for last flake is to upgrade regeneration once and then keep upgrading hp because the amount of hp you heal up is determined by your max hp not just a set amount